更多"It has become a cliche among doctor"的相关试题:
[单项选择]It has become a cliche among doctors who deal with AIDS that the only way to stop the epidemic is to develop a vaccine against HIV, the virus that causes it. Unfortunately, there is no sign of such a thing becoming available soon. The best hope was withdrawn from trials just over a year ago amid fears that it might actually be making things worse. As a result, vaccine researchers have mostly gone back to the drawing board of basic research. Meanwhile, the virus marches on. Last year, according to UNAIDS, the international body charged with combating it, 2.7 million people were infected, bringing the estimated total to 33 million.
Reuben Granich and his colleagues at the World Health Organization (WHO), though, have been exploring an alternative approach. Instead of a vaccine, they wonder, as they write in The Lancet, whether the job might be done with drugs.
In the spread of any contagious disease, each act of infection has two parties, one who already has the disease and
A. It is conventionally believed to be the only way to cure HIV.
B. It will be available to the public over several years.
C. Vaccine researchers are still marching on for their best hope.
D. Vaccination tries to treat the infected.
[填空题]There is agreement among linguists who have considered the
situation over half of the world’s languages are moribund, (1)
i.e. effectively being passed on to the next generation. We and our (2)
children, then, are living in the point in human history where, (3)
within perhaps two generations, most languages in the world will die out.
This mass extinction of languages may not appear immediate (4)
life-threatening. Some will feel that a reduction in numbers of languages
will ease communication, and perhaps helps build nations, even global (5)
solidarity. But there has been well pointed out that the success of humanity (6)
in colonizing the planet has been due to our ability to develop
cultures suit for survival in a variety of environments. These (7)
[单项选择]Among ten sales people who started their business at the same time, Mr. Rayburn was the only successful one, because he was the
A. luckiest.
B. most qualified.
C. most hard-working.
[单项选择]Disability among the elderly has declined markedly in the United States in the past two decades. In 1984, 25 percent of the elderly population reported difficulty with activities associated with independent living. By 1999, the share had fallen to 20 percent, a decline of one-fifth. Although these basic facts are well known, their interpretation is not clear. Is the reduction in disability a result of improved medical care, individual behavioral changes, environmental modifications that allow the elderly to better function by themselves, or other demographic changes Will the trend continue, or is it time limited What does the reduction in disability mean for years of healthy life and labor force participation
The researchers David Cutler, Mary Beth Landrum, and Kate Stewart focus on disability caused by cardiovascular disease to investigate the role of improved medical care on reductions in disability. By looking at just one condition, they can analyze health shocks and their outc
A. citing a group of data
B. justifying an assumption
C. making a comparison
D. explaining a phenomenon
[填空题]There is much bitter feeling among those who, deprived of their social security benefits, queued at an eating hall and registered for jobs available.
